E21B 33 - Sealing or packing boreholes or wells

Patents for E21B 33 - Sealing or packing boreholes or wells (33,564)
12/2009
12/02/2009	EP2126271A1 Improved shoe for wellbore lining tubing
12/02/2009	CN201354629Y Slotless well head foundation of cluster well
12/02/2009	CN201354628Y Medium-pressure gas collection and cross-well serial connection system
12/02/2009	CN201354619Y 可取式桥塞 Retrievable bridge plug
12/02/2009	CN201354618Y Borehole restoration device
12/02/2009	CN201354617Y Self-expanding packer
12/02/2009	CN201354616Y Horizontal well separate injection packer
12/02/2009	CN201354615Y Gas underbalance well drilling rotary blowout preventer
12/02/2009	CN201354614Y Christmas tree burglar-proof alarm device
12/02/2009	CN101595274A System and method for facilitating downhole operations
12/02/2009	CN101592025A Inflatable anchoring packer
12/02/2009	CN101592024A Degassing system for closed production space of oil well
12/02/2009	CN101592023A Thermal production snubbing device
12/02/2009	CN100563938C Detaching and assembling tool for gate valve plate and seat
12/01/2009	US7624810 Ball dropping assembly and technique for use in a well
12/01/2009	US7624803 Injection apparatus for injecting an activated fluid into a well-bore and related injection method
12/01/2009	US7624796 Arrangement of test plug
12/01/2009	CA2585286C System and method for pressure testing communication lines of a well tool
12/01/2009	CA2569810C Well treatment for sand-containing formations
11/2009
11/30/2009	CA2633126A1 Heated stuffing box with fluid containment
11/26/2009	WO2009142863A1 Connector assembly for connecting a hot stab to a hydraulic hose
11/26/2009	WO2009142847A2 Methods of underground formation consolidation
11/26/2009	WO2009142844A1 Using nanoparticles for water flow control in subterranean formations
11/26/2009	WO2009142509A1 Pipe string landing device and a bore hole cementing method
11/26/2009	WO2009142507A1 Arrangement for directing a fluid flow
11/26/2009	WO2009098478A3 Hydraulic connector apparatuses and methods of use with downhole tubulars
11/26/2009	US20090288832 Varying Access Points for Tubing and Casing Monitoring and Casing Annulus Remediation Systems
11/26/2009	US20090288831 Polymeric Extenders for Flexible Cement
11/26/2009	US20090288829 Cutting windows for lateral wellbore drilling
11/26/2009	CA2632319A1 Method for applying remedial cement to a wellbore
11/25/2009	EP2122120A1 Apparatus and methods of flow testing formation zones
11/25/2009	CN201351479Y Gas drainage secondary high pressure grouting hole sealing device
11/25/2009	CN201351478Y Single-plug quick-assembling cementing head with eccentric stop pins
11/25/2009	CN201351477Y Wellhead pressurization open hole packer device
11/25/2009	CN201351476Y Casing type anti-theft device for crude oil
11/25/2009	CN201351475Y Water injection well test plug
11/25/2009	CN201351474Y Composite multifunctional stuffing box
11/25/2009	CN201351473Y Combined valve type throttle pipe device
11/25/2009	CN101586469A Hole sealing method for deep hole advanced loose blasting
11/25/2009	CN101586462A Method of suspending, completing and working over a well
11/25/2009	CN101586459A Deep well grouting pressure reduction system for underground pressure measurement and ground throttle control
11/25/2009	CN101586458A Energy saving and efficiency increasing system for output well and (or) injection well
11/25/2009	CN101586455A Anchoring expansion type packer
11/24/2009	US7621344 Drill pipe wiper system and associated method
11/24/2009	US7621322 Thru-tubing high expansion inflatable seal with mechanical anchoring system and method
11/24/2009	CA2380095C A low-density and low-porosity cementing slurry for oil wells
11/24/2009	CA2377936C Sample extraction system for boreholes
11/22/2009	CA2665502A1 Polymeric extenders for flexible cement
11/19/2009	WO2009140591A2 Continuous fibers for use in well completion, intervention, and other subterranean applications
11/19/2009	WO2009140084A2 Swellable packer with variable quantity feed-throughs for lines
11/19/2009	WO2009139806A2 High circulation rate packer and setting method for same
11/19/2009	WO2009139721A1 Dual tubing hanger
11/19/2009	WO2009138889A1 Well repair using swellable material in a remedial matrix
11/19/2009	WO2009102701A3 Expandable downhole actuator, method of making and method of actuating
11/19/2009	WO2009073357A4 High differential shifting tool
11/19/2009	US20090283280 Hydraulic open hole packer
11/19/2009	US20090283279 Zonal isolation system
11/19/2009	US20090283277 Configurable wellhead system with permanent fracturing spool and method of use
11/19/2009	US20090283273 Well construction and completion
11/19/2009	US20090283271 Plug protection system and method
11/19/2009	US20090283255 Strokable liner hanger
11/19/2009	US20090283254 Swellable Packer With Variable Quantity Feed-Throughs for Lines
11/19/2009	CA2724078A1 Well repair using swellable material in a remedial matrix
11/18/2009	EP2119866A1 Casing strings and methods of using such strings in subterranean cementing operations
11/18/2009	EP2118552A1 Mandrel and associated positioning method
11/18/2009	EP2118438A2 Silicate-based wellbore fluid and methods for stabilizing unconsolidated formations
11/18/2009	EP2118437A2 Reservoir stimulation while running casing related applications
11/18/2009	EP2118436A1 Downhole apparatus and method
11/18/2009	EP2118435A1 A method for recovering fluid used in powering an underwater apparatus submerged in deep water
11/18/2009	EP2035656B1 Method for sealing the walls of deep drilled hole
11/18/2009	CN201348061Y Axial distribution reversing valve with manual and automatic control
11/18/2009	CN201347754Y Pressure channel plugging device
11/18/2009	CN201347736Y Casing valve down-well well-killing valve core
11/18/2009	CN201347735Y Theft protection hoop iron assembly
11/18/2009	CN201347734Y Abandoned well head cap
11/18/2009	CN201347724Y Oil well casing joint sealing gland
11/18/2009	CN101583774A Imputing strength gradient in pressure vessels
11/18/2009	CN101581229A Method for drilling and sealing holes through high-pressure water injection under coal mine
11/18/2009	CN101581205A Self-controlled mine surface grout injection system
11/18/2009	CN100560932C Lifting-hanging type oil layer switch
11/17/2009	US7617878 Method and apparatus to complete a well having tubing inserted through a valve
11/17/2009	US7617870 Extended cement compositions comprising oil-swellable particles and associated methods
11/17/2009	CA2463052C Method and apparatus for expansion sealing concentric tubular structures
11/12/2009	WO2009137840A2 Oil well plug and abandonment method
11/12/2009	WO2009137729A2 Choke trim assembly
11/12/2009	WO2009136950A1 Method and apparatus for christmas tree condition monitoring
11/12/2009	WO2009120446A3 Borehole plug
11/12/2009	WO2009106875A3 Pressure actuable downhole tool and a method for actuating the same
11/12/2009	WO2009085348A3 Logging tool deployment systems and methods with pressure compensation
11/12/2009	US20090277652 Swellable Packer Having a Cable Conduit
11/12/2009	US20090277651 High Circulation Rate Packer and Setting Method for Same
11/12/2009	US20090277649 System and method for thermal change compensation in an annular isolator
11/12/2009	US20090277646 Method and system of hydraulic control line connection
11/12/2009	US20090277636 System and method for perforated well sand control
11/12/2009	US20090277635 Method of well treatment and construction
11/12/2009	US20090277627 Subsurface lubricator and method of use
11/12/2009	US20090277623 Dual packer for a horizontal well
11/12/2009	CA2723815A1 Oil well plug and abandonment method
11/12/2009	CA2723422A1 Choke trim assembly
11/11/2009	EP2115269A2 Improved system and method for stimulating multiple production zones in a wellbore

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